Home / 17,152,000.40-25,728,000.60-10,422,477.20

Finding the Fourth Proportional to 17,152,000.40, 25,728,000.60 and 10,422,477.20

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Solution

The fourth proportional to 17,152,000.40, 25,728,000.60 and 10,422,477.20 is: 15,633,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,152,000.40 : 25,728,000.60 = 10,422,477.20 : x
  2. Step 2: Convert to fraction form
    17,152,000.40/25,728,000.60 = 10,422,477.20/x
  3. Step 3: Cross multiply
    17,152,000.40x = 25,728,000.60 × 10,422,477.20
  4. Step 4: Simplify right side
    17,152,000.40x = 268,149,499,655,086.31
  5. Step 5: Solve for x
    x = 268,149,499,655,086.31/17,152,000.40
  6. Step 6: Final answer
    x = 15,633,715.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.